PUL-Mediated Plant Cell Wall Polysaccharide Utilization in the Gut Bacteroidetes

文献类型： 外文期刊

第一作者： Hao, Zhenzhen

作者： Hao, Zhenzhen;Wang, Xiaolu;Yang, Haomeng;Tu, Tao;Zhang, Jie;Luo, Huiying;Huang, Huoqing;Su, Xiaoyun

作者机构：

关键词： plant cell wall polysaccharides; polysaccharide utilization systems; Bacteroidetes; gut microbiota

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：4.556； 五年影响因子：4.653 ）

ISSN：

年卷期： 2021 年 22 卷 6 期

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收录情况： SCI

摘要： Plant cell wall polysaccharides (PCWP) are abundantly present in the food of humans and feed of livestock. Mammalians by themselves cannot degrade PCWP but rather depend on microbes resident in the gut intestine for deconstruction. The dominant Bacteroidetes in the gut microbial community are such bacteria with PCWP-degrading ability. The polysaccharide utilization systems (PUL) responsible for PCWP degradation and utilization are a prominent feature of Bacteroidetes. In recent years, there have been tremendous efforts in elucidating how PULs assist Bacteroidetes to assimilate carbon and acquire energy from PCWP. Here, we will review the PUL-mediated plant cell wall polysaccharides utilization in the gut Bacteroidetes focusing on cellulose, xylan, mannan, and pectin utilization and discuss how the mechanisms can be exploited to modulate the gut microbiota.

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